Excellent, dunno. Aussiecoach's comments were helpful, but they made me think that, since my child is still rather "young" for her age, I may really be looking towards the 14 to 15 transition. (Boys?!) I have to say that it's really interesting dealing with someone who can be amazingly mature one moment and then turn into a little kid the next. I've never had to do this before (dd is my only child), but it must make life interesting for coaches.
Some kids are more socially "forward" from a younger age and this can complicate things, though of course it's not the only factor. I was recently commenting to another coach which of the younger crop of kids that I used to work with I thought, barring injury, would be committed to gymnastics through high school (assuming they continued to progress). I picked two as "pretty sures" partially because of physical talent and focus, but also because I perceive those two to be a tad more introverted and stray less easily to social distractions. One super talent who is entering middle school who I'm just not sure on. She's very concerned about boys and missing social events already. I am not sure with all the social options and distractions of high school, how she is going to respond to that in a few years.
Then again, sometimes the more introverted, intense personalities can be prone to burnout and internalizing stress/fears. I was also thinking about a little level 4, she's really too young to tell now, but physically gifted enough I think she will be an athlete in any sport as she ages. She is also just an offbeat little kid and incredibly happy and cheerful. I think she will be able to shake off a lot without losing focus, and while she's incredibly outgoing, it's in a more...offbeat way. She kind of forges her own path and doesn't seem to feel much social pressure to go any one day. But she's very young so that could change, it just struck me the other day that she's such a happy, in the moment kid, going all out no matter what happened 10 minutes ago.